From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@quanstro.net>
Date: Mon,  9 Jun 2014 21:35:00 -0400
To: 9fans@9fans.net
Message-ID: <b05302c06bdf5e012108105305e33a98@brasstown.quanstro.net>
In-Reply-To: <CAOw7k5iytMqATUrz8ss4eiAeVpZCsMMdf1z-Hza4Dvsaocotmg@mail.gmail.com>
References: <bbc4961fb4a4dcd9cc4ebbaf0e11cb8f@felloff.net>
	<055f6bc9f00c19e6b8a81c434408e6e3@brasstown.quanstro.net>
	<CAOw7k5hE4EiQ9udMoAW5ur46Dqu9MhtQhda8B9-geiD-MhimDQ@mail.gmail.com>
	<CAOw7k5iytMqATUrz8ss4eiAeVpZCsMMdf1z-Hza4Dvsaocotmg@mail.gmail.com>
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Subject: Re: [9fans] duppage
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On Mon Jun  9 04:25:00 EDT 2014, charles.forsyth@gmail.com wrote:

> On 8 June 2014 19:37, Charles Forsyth <charles.forsyth@gmail.com> wrote:
>
> > On 8 June 2014 19:15, erik quanstrom <quanstro@quanstro.net> wrote:
> >
> >> i think it is in the image cache, but .ref >1.
> >
> >
> > but in that case it will still not pio, but make a local writable copy.
>
>
> in fact ref > 1 is the copy-on-write case and in a sense the usual one,
> where the copy is needed.

i think iostats may confuse the issue a little bit, since
iostats changes the results of some of the tests in attachimage.

- erik